Name:Raphicerus sharpei
Alias:Raphicerus sharpei
Outline:Ungulata
Family:Artiodactyla Bovidae Stag
length:65-75cm
Weight:7-16kg
Life:About 10 years
IUCN:LC
Sharpe's Grysbok (scientific name: Raphicerus sharpei) is called Sharpe's Grysbok in English, Grysbok de Sharpe in French, Sharpe se Grysbok in South Africa, and Sharpegreisbok in German. There is no subspecies.
The Shamrock is easily distinguished from other members of the genus. The Shamrock lacks a false hoof, the Lesser Shamrock does not, and the Black-eared Shamrock does.
The Shamrock is a secretive animal that usually spends most of the day hiding and lying in the bushes and grass. They are active most of the time at night. Although most are solitary, a pair of Shamrocks or a female with a young can be seen. Shamrocks are territorial animals, usually defending a territory alone, but sometimes in pairs. Shamrocks, like other species of the genus, have eye and facial glands that are used for scent-based communication. In addition, these animals use touch communication during combat and mating, and between females and their offspring, and some physical and visual communication occurs.
Territorial combat among male Shamrocks is less ritualized than that of most antelopes, with males simply stepping forward into combat, kneeling, and stabbing or touching their short horns. When frightened by a predator, the Satsuma rarely runs, but instead lies flat with its head and neck stretched out until the predator approaches on top of them.
All members of the genus Satsuma are herbivores and herbivores. Wilson examined the stomachs of 91 specimens of the schafer in a study in southeastern Zimbabwe, and found that plant matter made up 70% of the stomach contents. The schafer feeds on fruit and roots and tubers dug out with the hoof. They apparently do not need much water, but will drink it if it is available.
There are no detailed information on the mating system of the schafer. However, other members of the genus may be polygamous or may form pairs to jointly defend a territory. These animals may be similar to their conspecifics. The schafer breeds year-round. Most records show a peak breeding season between November and December. Peak calving coincides with the onset of spring rains in southern Africa. Gestation is approximately 180 days (range 168-210 days), with 1-2 calves per litter. Weaning of the young will begin at 3 months of age, and both sexes will reach sexual maturity after 6-19 months.
East (1999) summarized the recorded population density estimates of the species as 0.3-0.7 per square kilometer and estimated the total population size at about 95,000 animals. The sassy antelope is mainly nocturnal, particularly shy and secretive, and in reality it can be overlooked in areas where it is quite common, so they may be more abundant than imagined.
Listed in the IUCN Red List of Threatened Species in 2016 ver3.1 - Least Concern (LC).
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